Free - Freeware - Rasch measurement software ...

MINISTEP

Evaluation, Student and Demonstration (Demo) Version of WINSTEPS

Free by Download

MINISTEP

MINISTEP is a reduced version of WINSTEPS. It has complete WINSTEPS
functionality, but is limited to 25 items and 75 persons (cases).
You may copy, distribute and use it without charge or time-limit. Of
course, we hope you will want to purchase the full version of
WINSTEPS (which can analyze 30,000 items and 10,000,000 persons).